Ester Mteshane says the fact workers are willing to lose pay and risk dismissal in an unprotected strike underlines the seriousness of their issues.
Neasa has said it will continue its constitutionally protected lockout of workers following the end of the wider strike in the metals sector.
The union has accepted a wage offer from employers but will continue striking over conditions relating to future pay negotiations.
On money the union and the employers virtually agree. But on matters that could define future strikes the differences appear nearly unbridgeable.
Moody's rating agency has warned that the country's credit rating is at risk as the 220 000-strong Numsa strike enters its fifth day.
Palladium, a metal that can be used instead of platinum by some manufacturers, has risen to $847 an ounce - its highest price in three years.
Impala Platinum has rejected claims that the platinum mining companies have been involved in tax evasion activities.
Amcu president Joseph Mathunjwa is taking the mining giants to labour court, saying their SMS campaign violated an agreement with the union.
From workers using force to challenge exploitation, to the role of unions in protests, experts have analysed strike violence at a Marikana seminar.
Businesses in the platinum belt are floundering as the mass Amcu strike enters its tenth week.
Anglo American Platinum could see its rally in stocks reversing once the effects of the Amcu strike are calculated, says Imara SP Reid.
Amcu, the dominant union in the platinum sector, looks likely to win recognition at Kumba Iron Ore, which announced an increased profit on Tuesday.
The world's largest platinum miner says job cuts are in store to reverse losses as pressure mounts at the mines which can least afford it.
Striking mine workers will reject the new wage offer by platinum mines, says union Amcu.
Striking workers at Rustenburg platinum mines have gathered for a CCMA results briefing, says the Association of Mineworkers and Construction Union.
At least 70 000 Amcu members plan to down tools at the country's biggest platinum mines on Thursday.
The rand has dropped to fresh five-year lows as majority union Amcu decides whether to strike at the country's three biggest platinum mines.
Mining union Amcu will meet with its members this week to decide whether to down tools at Anglo, Implats and Lonmin mines.
Amcu has received permission to strike at Lonmin over demands for a minimum basic wage of R12 500 per month for its members.